Guide to practical project appraisal : social benefit-cost analysis in developing countries / ed. United Nations Industrial Development Organization
Guide to practical project appraisal : social benefit-cost analysis in developing countries / ed. United Nations Industrial Development Organization
. - New York : United Nations Industrial Development Organization, 1986
. - VIII, 121 p. : il. gráficos 24 cm
. - (Project formulation and evaluation series; 3))
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